15667627280

素因数分解:

$2^4\times 5^1\times {\mathrm{195845341}}^1$

素因数の和:195845354

約数の個数: 20

約数和(自身を含む): 36427233612

約数和(自身を除く): 20759606332

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 195845341, 391690682, 783381364, 979226705, 1566762728, 1958453410, 3133525456, 3916906820, 7833813640, 15667627280]

約数ペア:

[(1, 15667627280), (2, 7833813640), (4, 3916906820), (5, 3133525456), (8, 1958453410), (10, 1566762728), (16, 979226705), (20, 783381364), (40, 391690682), (80, 195845341)]